A) \[{{\left( xyz \right)}^{2}}\]
B) \[{{x}^{2}}+{{y}^{2}}+{{z}^{2}}\]
C) 9
D) 3
Correct Answer: C
Solution :
(c): \[3\left[ \frac{{{x}^{2}}}{yz}+\frac{{{y}^{2}}}{zx}+\frac{{{z}^{2}}}{xy} \right]=3\left[ \frac{{{x}^{3}}+{{y}^{3}}+{{z}^{3}}}{xyz} \right]\] \[=3\left[ \frac{3xyz}{xyz} \right]=9\]You need to login to perform this action.
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